CN208552386U - A kind of ophtalmic treatments chair - Google Patents

Abstract

The utility model discloses a kind of ophtalmic treatments chairs, are related to the field of medical instrument technology.The ophtalmic treatments chair, including seat, chair leg, handrail and backrest, by the way that head rest is arranged on backrest support frame, head rest includes the head rest pad of two head tray supports, can the hindbrain two sides to patient play the role of supporting and fixing, make patients head be not easy to deflect, preferably cooperate eye treatment；In the two sides of head rest, the chin rest is set, when needing patient-side to be biased row eye treatment, the chin rest can play the role of supporting and fixing to the face of patient, improve the comfort level of patient, the fitness for improving patient adjusts the position of the chin rest according to the retractable structure of first support bar and second support bar to adapt to the different chin rest locational requirements of patient；The seat of the utility model, backrest and handrail are adjustable, to adapt to the different demands of patient, improve the comfort level of patient, achieve the effect that more preferable partner treatment.

Description

A kind of ophtalmic treatments chair

Technical field

The utility model belongs to the field of medical instrument technology more particularly to a kind of ophtalmic treatments chair.

Background technique

Ophthalmic art operation is one of the important means of curing eye diseases, many in the patient that operating room carries out curing eye diseases, And common treatment operation has irrigation of conjunctival sac, irrigation of lacrimal passage, eye dressing etc. in situations in the surgery room.In therapeutic process, usually It allows patient to be sitting on treatment chair, is cured by head rest fixing head, in place of above method Shortcomings: first is that when being When patient carries out eye flushing, needing patient or family members to cooperate and help drop pan, existing treatment chair is only provided with head rest, Effect is supported and fixed not enough to patient, when needing patients head's lateral deviation to carry out eye flushing, since water or drug are to eye Stimulation, so that patient's instinct is shunk back, fitness is inadequate, and time-consuming；Second is that existing treatment chair cannot provide comfortable body to patient Position, one side patient's waist cannot be close to backrest, be in vacant state；On the other hand treatment chair does not have foot pedal, makes patient's leg Portion is hanging, and waist and leg often feel to ache or tire out when especially treatment time is longer.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of ophtalmic treatments chair.

The utility model is to solve above-mentioned technical problem by the following technical solutions: a kind of ophtalmic treatments chair, packet Seat, chair leg, handrail and backrest are included, the chair leg includes the left side chair leg and right side chair leg that two inverted U-shaped framves are respectively formed, The both ends of two inverted U-shaped framves are respectively formed foreleg and back leg, are connected between the two sides chair leg by a plurality of crossbeam It connects, the seat is mounted on the crossbeam between the chair leg of two sides；

The backrest two sides are equipped with handrail；The backrest is hinged on the back leg of two sides, and the backrest includes back pad, is used for Support the support frame, the hinged regulating mechanism for being used to adjust back gradient on the support frame and setting of back pad on the support frame For holding the head rest on head；

The two sides of the head rest have been symmetrically arranged first support bar and second support bar, the first support bar and The latter end of two support rods has been respectively articulated with the first support supporting plate and the second support supporting plate, the first support supporting plate and the second support The chin rest is removably equipped on supporting plate respectively.It, can be for patient over the course for the treatment of by the cooperation of the chin rest and head rest Offer preferably supports and fixes effect, the comfort level of patient is provided, to improve the fitness of patient；The chin rest is detachably set Mode is set, the chin rest is facilitated to disassemble cleaning and disinfection.

Further, the first support bar and second support bar are retractable structure, and the retractable structure includes First sleeve and second sleeve, the first sleeve include segmental arc and straightway, and the segmental arc and straightway are integral type Structure, the second sleeve are coaxially socketed in the straightway of first sleeve；The straightway and second sleeve of the first sleeve Between be equipped with limitation second sleeve extension elongation position-limit mechanism；The position-limit mechanism is that first sleeve and second sleeve are socketed Place, the end of the small second sleeve of diameter are equipped with elastic convex buckle, and the end of the big first sleeve of diameter is equipped with convex with the elasticity Detain the multiple limit holes being mutually clamped；The segmental arc of the first sleeve is arranged in the head rest side, and the second sleeve is remote The first support supporting plate hinged from one end of straightway and the second support supporting plate；The scalable knot of first support bar and second support bar The articulated connection of structure and the first support supporting plate and the second support supporting plate so that the chin rest can adapt to different patients needed for the chin rest Position.

Further, the head rest include the first abutment sleeve, first connecting rod, the second connecting rod, Y type connecting rod, Arc head bracket and head rest pad；First abutment sleeve is fixed on support frame as described above, first abutment sleeve Middle part be equipped with the threaded hole of protrusion, be equipped in the threaded hole and screw handwheel；One end insertion first of the first connecting rod It slides up and down in abutment sleeve and along it, is locked position of the first connecting rod in the first abutment sleeve by screwing handwheel It sets；The other end of the first connecting rod screws one end that locking bar is hinged on the second connecting rod, second connection by first The other end of bar screws one end that locking bar is hinged on Y type connecting rod by second；The both ends of the arc head bracket are respectively T-type Structure, another both ends of the one end of arc head bracket both ends T-type structure respectively with Y type connecting rod are socketed vertically, T-type structure Another both ends are hinged with the head rest disk that is used to support head rest pad respectively；The first support bar and second support bar are respectively symmetrically vertical It is socketed on the T-type structure；Head rest includes two head rest disks for being used to support head rest pad, is used to support and immobilized patients hindbrain The position of two sides can play the role of preferably supporting and fixing.

Further, a plurality of crossbeam is four crossbeams, and four articles of crossbeams include first crossbeam, second cross beam, the Three crossbeams and the 4th crossbeam；It is attached between the two sides foreleg by first crossbeam, by the between the two sides back leg Two crossbeams are attached, and are attached between first crossbeam and second cross beam by middle brace rod；The left side chair leg and the right side It is attached between the intermediate arched part of side chair leg by third crossbeam and the 4th crossbeam, between third crossbeam and the 4th crossbeam Equipped with the second vertical abutment sleeve, internal screw thread is equipped in the second abutment sleeve；The seat includes cushion and is used to support seat The support plate of pad, the cushions support plate lower vertical are vertically provided with externally threaded support column, the external screw thread on support column With the screw-internal thread fit of the second abutment sleeve, for install seat and adjust seat height, to adapt to the difference of patient It is required that.

Further, the regulating mechanism includes top upper adjusting rod hingedly on the support frame, lower hinge described Lower dolly bar on second cross beam；The top and edge of the lower part insertion lower dolly bar of the upper adjusting rod are slided down thereon；It is described Multiple location holes are distributed on upper adjusting rod vertically, the lower dolly bar top is provided with positioning device, and the positioning device is set It is equipped with the pilot pin for being inserted or pulled out location hole；The upper adjusting rod slides up and down along lower dolly bar, can incline to backrest Gradient is adjusted, and obtains proper angle；Pilot pin is inserted into different location holes, and the whole of upper adjusting rod and lower dolly bar is adjusted Body height, to change the gradient of backrest.

Further, the positioning device includes that be fixed with the third abutment sleeve of third support rod, middle part hinged at middle part Lever, pushing ram, foot pedal on third support rod；The third abutment sleeve coaxial package is in upper adjusting rod and lower adjusting The lower part of the splicing position of bar, the third abutment sleeve is fixed on by the external screw thread cooperation being arranged on internal screw thread and lower dolly bar On lower dolly bar, the lower part of the upper adjusting rod is inserted freely into the top of third abutment sleeve and lower dolly bar；The third is fixed The top of position sleeve offers through-hole, and the pilot pin is made to be inserted or pulled out the positioning on the upper adjusting rod by the through-hole Hole；The upper end of the lever is provided with the pilot pin, and the lower end of lever passes through under spring and the third abutment sleeve Portion's connection；The top of the third abutment sleeve is hinged with fastening lever upper segment downwards or unclamps the limit buckle of lever upper segment upwards Part；The foot pedal is hinged on the second cross beam, and the pushing ram upper end is hinged on the protrusion that the lever middle is formed On block, the lower end of pushing ram is hingedly on the footrests.Third support rod, lever, pilot pin, spring form lever construction, work as foot When pedal is stepped on downwards, traction pushing ram drives lever drop-down toward drop-down, thus extract pilot pin from location hole out, thus Upper adjusting rod is glided or upper cunning, foot pedal is unclamped again, pilot pin can be inserted into next location hole, to realize backrest The change of gradient.

Further, the handrail includes movable hand rail bar and the armrest pad that is arranged on movable hand rail bar, the work Dynamic handrail and the backrest are hinged, and the bottom of the movable hand rail bar is equipped with arm supports bar, and the one of the arm supports bar Back is leaned on described in being fixed in end, and the bottom of the other end and movable hand rail bar is hinged；The arm supports bar is telescopic rod, described Telescopic rod includes the scalable sub bar that multiple sizes are gradually reduced, and the scalable sub bar passes through buckle according to size It is arranged one by one.By movable hand rail bar and the adjustable armrest positions of telescopic rod, to adapt to the different handrail angles of patient Degree requires, and improves the comfort level of patient.

Further, arc convex is formed at the lower part of the back pad, between the arc convex and human body back and waist Arc it is consistent, the setting of arc convex can make patient's waist have a supporting point, obtain comfort.

Further, foot pedal is provided on the foreleg of the two sides, the foot of patient is placed on foot pedal, and foot obtains Support improves the comfort level in therapeutic process.

Compared with prior art, ophtalmic treatments chair provided by the utility model, including seat, chair leg, handrail and backrest, By the way that head rest is arranged on backrest support frame, head rest includes the head rest pad of two head tray supports, can hindbrain two to patient Side plays the role of supporting and fixing, and makes patients head be not easy to deflect, preferably cooperates eye treatment；In the two sides of head rest, the cheek is set Pad, when needing patient-side to be biased row eye treatment, the chin rest can play the role of supporting and fixing to the face of patient, improve and suffer from The comfort level of person improves the fitness of patient, adjusts the chin rest according to the retractable structure of first support bar and second support bar Position is to adapt to the different chin rest locational requirements of patient；The seat of the utility model, backrest and handrail are adjustable, so as to The different demands for adapting to patient, improve the comfort level of patient, achieve the effect that more preferable partner treatment.

Detailed description of the invention

It, below will be to needed in embodiment description in order to illustrate more clearly of the technical solution of the utility model Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only one embodiment of the utility model, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.

Fig. 1 is a kind of structural schematic diagram of ophtalmic treatments chair of the utility model；

Fig. 2 is a kind of schematic rear view of ophtalmic treatments chair of the utility model；

Fig. 3 is the structural schematic diagram of the utility model head rest and the chin rest；

Fig. 4 is the structural schematic diagram of the utility model T-type structure and the chin rest；

Fig. 5 is the schematic diagram of the utility model regulating mechanism；

Fig. 6 is the schematic diagram that the utility model regulating mechanism limit fastener unclamps lever；

Wherein: 1- seat, 2- chair leg, 3- handrail, 4- backrest, 5- regulating mechanism, 6- head rest, 7- foot pedal, the 8- chin rest, 11- cushion, the second abutment sleeve of 12-, 13- support column, 21- back leg, 22- foreleg, 23- middle brace rod, 24- second cross beam, 31- movable hand rail bar, 32- armrest pad, 33- arm supports bar, 41- back pad, 42- support frame, 411- arc convex, 51- up-regulation Pole, 52- lower dolly bar, 53- pushing ram, 54- foot pedal, 521- pilot pin, 522- third abutment sleeve, 5221- third branch Strut, 523- lever, 524- spring, 525- limit fastener, the first abutment sleeve of 61-, 62- first connecting rod, the connection of 63- second Bar, 64-Y type connecting rod, 65- arc head bracket, 66- head rest disk, 611- screw handwheel, and 631- second screws locking bar, 651-T type Structure, 81- first support bar, 82- second support bar, 811- first sleeve, 812- second sleeve.

Specific embodiment

Below with reference to the attached drawing in the utility model embodiment, to this implement the technical solution in novel carry out it is clear, complete Site preparation description, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments. Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative labor Every other embodiment, fall within the protection scope of the utility model.

As depicted in figs. 1 and 2, a kind of ophtalmic treatments chair provided by the utility model, including seat 1, chair leg 2, handrail 3 With backrest 4, chair leg 2 includes the left side chair leg and right side chair leg that two inverted U-shaped framves are respectively formed, the both ends point of two inverted U-shaped framves Not Xing Cheng foreleg 22 and back leg 21, be attached by a plurality of crossbeam between the chair leg of two sides, seat 1 be mounted on two sides chair leg 2 it Between crossbeam on；

4 two sides of backrest are equipped with handrail 3；Backrest 4 is hinged on the back leg 21 of two sides, and backrest 4 includes back pad 41, is used to support The support frame 42 of back pad 41, be hinged on support frame 42 for adjust 4 gradient of backrest regulating mechanism 5 and setting supporting For holding the head rest 6 on head on frame 42；

As shown in Figure 3 and Figure 4, the two sides of head rest 6 have been symmetrically arranged first support bar 81 and second support bar 82, the One support rod 81 and the latter end of second support bar 82 have been respectively articulated with the first support supporting plate and the second support supporting plate, the first supporting bracket It is removably equipped with the chin rest 8 respectively on plate and the second support supporting plate, this dismountable mode can be in the chin rest 8 Opening is equipped with elastic ring, and the chin rest 8 is set on the first support supporting plate and the second support supporting plate by elastic ring, can It is fixed, and facilitate setting and disassembly；By the cooperation of the chin rest 8 and head rest 6, can be provided over the course for the treatment of preferably for patient Effect is supported and fixed, the comfort level of patient is provided, to improve the fitness of patient.

First support bar 81 and second support bar equal 82 are retractable structure, and retractable structure includes 811 He of first sleeve Second sleeve 812, first sleeve 811 include segmental arc and straightway, and segmental arc and straightway are an integral structure, second sleeve 812 are coaxially socketed in the straightway of first sleeve 811；Limit is equipped between the straightway and second sleeve 812 of first sleeve 811 The position-limit mechanism of 812 extension elongation of second sleeve processed；Position-limit mechanism is 812 socket place of first sleeve 811 and second sleeve, diameter The end of small second sleeve 812 is equipped with elastic convex buckle, and the end of the big first sleeve 811 of diameter is equipped with mutual with elastic convex buckle Multiple limit holes of engaging；The segmental arc of first sleeve 811 is arranged in 6 side of head rest, second sleeve 812 far from straightway one Hold hinged first support supporting plate and the second support supporting plate；The retractable structure and of first support bar 81 and second support bar 82 One support supporting plate and second support supporting plate articulated connection so that the chin rest 8 can adapt to different patients needed for the chin rest 8 position.

Head rest 6 includes the first abutment sleeve 61, first connecting rod 62, the second connecting rod 63, Y type connecting rod 64, curved head Bracket 65 and head rest pad；First abutment sleeve 61 is fixed on support frame 42, and the middle part of the first abutment sleeve 61 is equipped with The threaded hole of protrusion, interior be equipped with of threaded hole screw handwheel 611；In the first abutment sleeve 61 of one end insertion of first connecting rod 62 and It slides up and down along it, is locked position of the first connecting rod 62 in the first abutment sleeve 61 by screwing handwheel 611；First The other end of connecting rod 62 screws one end that locking bar is hinged on the second connecting rod 63, the other end of the second connecting rod 63 by first One end that locking bar 631 is hinged on Y type connecting rod 64 is screwed by second；The both ends of arc head bracket 65 are respectively T-type structure 651, another both ends of the one end of 65 both ends T-type structure 651 of arc head bracket respectively with Y type connecting rod 64 are socketed vertically, T-type structure 651 another both ends are hinged with the head rest disk 66 that is used to support head rest pad respectively；First support bar 81 and second support bar 82 are distinguished Symmetrically it is socketed on T-type structure 651 vertically；Another both ends, first support bar 81 and the second support bar 82 and T of Y type connecting rod 64 The connection type of type structure 651 is identical, is all perpendicular to T-type structure 651 and is socketed on T-type structure 651, T-type structure 651 One end is similar to positioning pin, limits 82 free movement of another both ends, first support bar 81 and second support bar of Y type connecting rod 64 Degree, prevents another both ends, first support bar 81 and the second support bar 82 of Y type connecting rod 64 from falling off from T-type structure 651；Head rest 6 It is used to support the head rest disk 66 of head rest pad including two, is used to support the position with immobilized patients hindbrain two sides, can play more Good supports and fixes effect.

A plurality of crossbeam is four crossbeams, and four articles of crossbeams include that first crossbeam, second cross beam 24, third crossbeam and the 4th are horizontal Beam；It is attached between two sides foreleg 22 by first crossbeam, is attached between two sides back leg 21 by second cross beam 24, the It is attached between one crossbeam and second cross beam 24 by middle brace rod 23；Arch upward portion for the centre of left side chair leg and right side chair leg / be attached by third crossbeam and the 4th crossbeam, the second vertical positioning is equipped between third crossbeam and the 4th crossbeam Sleeve 12, the second abutment sleeve 12 are interior equipped with internal screw thread；Seat 1 includes cushion 11 and the support plate for being used to support cushion 11, is sat Advance expenditure fagging lower vertical is vertically provided with externally threaded support column 13, the external screw thread and the second abutment sleeve on support column 13 12 screw-internal thread fit is required for installing seat 1 and adjusting the height of seat 1 to adapt to the different of patient.

As shown in Figure 5 and Figure 6, regulating mechanism 5 includes upper adjusting rod 51, the lower hinge that top is hinged on support frame 42 Lower dolly bar 52 on second cross beam 24；The top and edge of the lower part insertion lower dolly bar 52 of upper adjusting rod 51 glide thereon Row；Multiple location holes are distributed on upper adjusting rod 51 vertically, 52 top of lower dolly bar is provided with positioning device, positioning device setting There is the pilot pin 521 for being inserted or pulled out location hole；Upper adjusting rod 51 is slided along about 52 lower dolly bar, can be to backrest 4 Gradient is adjusted, and obtains proper angle；Pilot pin 521 is inserted into different location holes, and upper adjusting rod 51 is adjusted and lowers The whole height of pole 52, to change the gradient of backrest 4.

Positioning device includes that middle part is fixed with the third abutment sleeve 522 of third support rod 5221, middle part is hinged on third Lever 523, pushing ram 53, foot pedal 54 on support rod 5221；522 coaxial package of third abutment sleeve is in upper 51 He of adjusting rod The splicing position of lower dolly bar 52, the lower part of third abutment sleeve 522 pass through the external screw thread being arranged on internal screw thread and lower dolly bar 52 Cooperation is fixed on lower dolly bar 52, and the lower part of upper adjusting rod 51 is inserted freely into third abutment sleeve 522 and lower dolly bar 52 Top；The top of third abutment sleeve 522 offers through-hole, and pilot pin 521 is made to be inserted or pulled out upper adjusting rod 51 by through-hole On location hole；The upper end of lever 523 is provided with pilot pin 521, and the lower end of lever 523 passes through spring 524 and third positioning sleeve The lower part connection of cylinder 522；The top of third abutment sleeve 522 is hinged with fastening lever upper segment downwards or unclamps lever 523 upwards The limit fastener 525 of upper section；Foot pedal 54 is hinged on second cross beam 24, and 53 upper end of pushing ram is hinged on 523 middle part shape of lever At protruding block on, the lower end of pushing ram 53 is hinged on foot pedal 54.Third support rod 5221, lever 523, pilot pin 521, Spring 524 forms lever construction, and when foot pedal 54 is stepped on downwards, traction pushing ram 53 drives lever 523 to pull down toward drop-down, To make pilot pin 521 extract out from location hole, so that the downslide of upper adjusting rod 51 or upper cunning are unclamped again foot pedal 54 Pilot pin 521 is inserted into next location hole, to realize the change of 4 gradient of backrest.

Handrail 3 includes movable hand rail bar 31 and the armrest pad 32 that is arranged on movable hand rail bar, movable hand rail bar 31 with Backrest 4 is hinged, and the bottom of movable hand rail bar 31 is equipped with arm supports bar 33, and one end of arm supports bar 33 is fixed on backrest 4, The bottom of the other end and movable hand rail bar 31 is hinged；Arm supports bar 33 is telescopic rod, telescopic rod include multiple sizes by Decrescence small scalable sub bar, and scalable sub bar is arranged according to size by buckle one by one.Pass through movable hand rail bar 31 And the comfortable of patient is improved to adapt to the different handrail angle requirements of patient in adjustable 3 position of handrail of telescopic rod Degree.

Arc convex 411, the arc one between arc convex 411 and human body back and waist are formed at the lower part of back pad 41 It causes, the setting of arc convex 411, patient's waist can be made to have supporting point, obtain comfort.

Foot pedal 7 is provided on the foreleg 22 of two sides, the foot of patient is placed on foot pedal 7, and foot is supported, and is improved Comfort level in therapeutic process.

Above disclosed is only specific embodiment of the present utility model, but the protection scope of the utility model not office It is limited to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in change Change or modification, should be covered within the scope of the utility model.

Claims (9)

1. a kind of ophtalmic treatments chair, it is characterised in that: including seat (1), chair leg (2), handrail (3) and backrest (4), the chair Leg (2) includes the left side chair leg and right side chair leg that two inverted U-shaped framves are respectively formed, the both ends difference of two inverted U-shaped framves Foreleg (22) and back leg (21) are formed, is attached between the two sides chair leg by a plurality of crossbeam, the seat (1) is mounted on On crossbeam between two sides chair leg (2)；

Backrest (4) two sides are equipped with handrail (3)；The backrest (4) is hinged on the back leg (21) of two sides, the backrest (4) Including back pad (41), the support frame (42) that is used to support back pad (41), it is hinged on support frame (42) and inclines for adjusting backrest (4) The regulating mechanism (5) of gradient and it is arranged on support frame (42) for holding the head rest (6) on head；

The two sides of the head rest (6) have been symmetrically arranged first support bar (81) and second support bar (82), and described first Strut (81) and the latter end of second support bar (82) be respectively articulated with the first support supporting plate and second support supporting plate, described first Removably the chin rest (8) are equipped with respectively on bracketing plate and the second support supporting plate.

2. ophtalmic treatments chair as described in claim 1, it is characterised in that: the first support bar (81) and second support bar It (82) is retractable structure, the retractable structure includes first sleeve (811) and second sleeve (812), the first set Cylinder (811) includes segmental arc and straightway, and the segmental arc and straightway are an integral structure, and the second sleeve (812) is same Axis is socketed in the straightway of first sleeve (811)；Between the straightway and second sleeve (812) of the first sleeve (811) Position-limit mechanism equipped with limitation second sleeve (812) extension elongation；The position-limit mechanism is first sleeve (811) and second sleeve (812) socket place, the end of the small second sleeve of diameter (812) are equipped with elastic convex buckle, the end of the big first sleeve of diameter (811) Portion is equipped with the multiple limit holes being mutually clamped with the elastic convex buckle；The segmental arc of the first sleeve (811) is arranged described Head rest side, the hinged first support supporting plate in the one end of the second sleeve (812) far from straightway and the second support supporting plate.

3. ophtalmic treatments chair as claimed in claim 1 or 2, it is characterised in that: the head rest (6) includes the first abutment sleeve (61), first connecting rod (62), the second connecting rod (63), Y type connecting rod (64), arc head bracket (65) and head rest pad；Institute It states the first abutment sleeve (61) to be fixed on support frame as described above (42), the middle part of first abutment sleeve (61) is equipped with convex The threaded hole risen, interior be equipped with of the threaded hole screw handwheel (611)；The first positioning of one end insertion of the first connecting rod (62) It is slided up and down in sleeve (61) and along it, is locked first connecting rod (62) in the first positioning sleeve by screwing handwheel (611) Position in cylinder (61)；The other end of the first connecting rod (62) screws locking bar by first and is hinged on the second connecting rod (63) One end, the other end of second connecting rod (63) screws locking bar (631) is hinged on Y type connecting rod (64) one by second End；The both ends of the arc head bracket (65) are respectively T-type structure (651), arc head bracket (65) both ends T-type structure (651) another both ends of the one end respectively with Y type connecting rod (64) are socketed vertically, the another both ends of T-type structure (651) respectively be used for Support the head rest disk (66) of head rest pad hinged；The first support bar (81) and second support bar (82) respectively symmetrically vertical socket On the T-type structure (651).

4. ophtalmic treatments chair as described in claim 1, it is characterised in that: a plurality of crossbeam be four crossbeams, described four Crossbeam includes first crossbeam, second cross beam (24), third crossbeam and the 4th crossbeam；Pass through first between the two sides foreleg (22) Crossbeam is attached, and is attached between the two sides back leg (21) by second cross beam (24), first crossbeam and second cross beam (24) it is attached between by middle brace rod (23)；Lead between the left side chair leg and the intermediate arched part of right side chair leg It crosses third crossbeam and the 4th crossbeam is attached, the second vertical abutment sleeve is equipped between third crossbeam and the 4th crossbeam (12), internal screw thread is equipped in the second abutment sleeve (12)；The seat (1) includes cushion (11) and is used to support cushion (11) Support plate, the cushions support plate lower vertical are vertically provided with externally threaded support column (13), outer on support column (13) The screw-internal thread fit of screw thread and the second abutment sleeve (12).

5. ophtalmic treatments chair as claimed in claim 4, it is characterised in that: the regulating mechanism (5) includes that top is hinged on branch The lower dolly bar (52) of upper adjusting rod (51), lower hinge on the second cross beam (24) on support (42)；The up-regulation The top and edge of lower part insertion lower dolly bar (52) of pole (51) are slided down thereon；It is distributed vertically on the upper adjusting rod (51) Have multiple location holes, lower dolly bar (52) top is provided with positioning device, the positioning device be provided with for being inserted into or Extract the pilot pin (521) of location hole out.

6. ophtalmic treatments chair as claimed in claim 5, it is characterised in that: the positioning device includes that middle part is fixed with third branch The third abutment sleeve (522) of strut (5221), middle part are hinged on lever (523), pushing ram on third support rod (5221) (53), foot pedal (54)；Third abutment sleeve (522) coaxial package is inserted upper adjusting rod (51) and lower dolly bar (52) Place is met, the lower part of the third abutment sleeve (522) is solid by the external screw thread cooperation being arranged on internal screw thread and lower dolly bar (52) It is scheduled on lower dolly bar (52), the lower part of the upper adjusting rod (51) is inserted freely into third abutment sleeve (522) and lower dolly bar (52) top；The top of the third abutment sleeve (522) offers through-hole, passes through the pilot pin (521) described logical Hole is inserted or pulled out the location hole on the upper adjusting rod (51)；The upper end of the lever (523) is provided with the pilot pin (521), the lower end of lever (523) is connect by spring (524) with the lower part of the third abutment sleeve (522)；The third The top of abutment sleeve (522) is hinged with fastening lever upper segment downwards or unclamps the limit fastener (525) of lever upper segment upwards；Institute It states foot pedal (54) to be hinged on the second cross beam (24), pushing ram (53) upper end is hinged in the lever (523) On the protruding block that portion is formed, the lower end of pushing ram (53) is hinged on foot pedal (54).

7. ophtalmic treatments chair as described in claim 1, it is characterised in that: the handrail (3) include movable hand rail bar (31) with And the armrest pad (32) being arranged on movable hand rail bar (31), the movable hand rail bar (31) and the backrest (4) are hingedly, described The bottom of movable hand rail bar (31) is equipped with arm supports bar (33), and one end of the arm supports bar (33) is fixed on the backrest (4) on, the other end and the bottom of movable hand rail bar (31) are hinged；The arm supports bar (33) is telescopic rod, described to stretch Contracting bar includes the scalable sub bar that multiple sizes are gradually reduced, and the scalable sub bar passes through buckle one by one according to size It is arranged.

8. ophtalmic treatments chair as described in claim 1, it is characterised in that: arc convex is formed at the lower part of the back pad (41) (411), the arc convex (411) is consistent with the arc between human body back and waist.

9. ophtalmic treatments chair as described in claim 1, it is characterised in that: be provided with footrest on the foreleg (22) of the two sides Plate (7).